Base on reproduction was made of 1/4" thick black
plastic. I
used
a 2 3/16" hole saw with the center drill bit removed so as to not make
too large of a hole in the center of the plastic. You must do this on a
drill press where you can clamp the plastic sheet down. Sanded and
shaped
and finished with #000 steel wool to put the satin finish on the
plastic
so it looks like Bakelite. I got fancy and cut the groove that the
glass
sits in with a 1" hole saw, but this is not necessary.

Under the base is two strips of brass that are set into a
slot.
I
used a router to cut in these slots, but a drill press can make a set
of
shallow holes close (even overlapping) enough that you can clean it up
with a razor knife if careful.

Under the top of the detector is similar to the top of
the
base.
I used a 1 7/16 hole saw with the center drill bit still in it. This
hole
will be drilled out larger anyway. I used a 1" hole saw to cut the
groove
for the glass to sit in, again this is not necessary your glass will
sit
on the plastic just fine.

Detector boom and hold down just takes a little
ingenuity.
Depends
on the parts you can get. All of the brass parts were made from
materials
that were bought from Orchard Hardware. Brass tubing (hobby type),
brass
hold down from flat stock (hobby type), brass ball came from electrical
dept. with the lamps. Glass was from an old test tube (large) but one
can
be bought from Tap Plastic made from 1" plastic tubing. Works just as
well.

A little time and patience and it can be made to look just
like
the original! Take it slow and have fun!

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